Finding the Fourth Proportional to 2,308.34, 3,185.69 and 1,424.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.34 : 3,185.69 = 1,424.22 : x
2. Step 2: Convert to fraction form
   2,308.34/3,185.69 = 1,424.22/x
3. Step 3: Cross multiply
   2,308.34x = 3,185.69 × 1,424.22
4. Step 4: Simplify right side
   2,308.34x = 4,537,123.41
5. Step 5: Solve for x
   x = 4,537,123.41/2,308.34
6. Step 6: Final answer
   x = 1,965.54